package org.example.day;

/**
 * @Description: TODO
 * @Author wyatt
 * @Data 2024/06/16 17:42
 */
public class Solution521 {

    public int findLUSlength(String a, String b) {
        if(a.equals(b)){
            return -1;
        }
        return Math.max(a.length(), b.length());
    }
}
